40366836 has 60 divisors (see below), whose sum is σ = 108958080. Its totient is φ = 13018320.

The previous prime is 40366831. The next prime is 40366853. The reversal of 40366836 is 63866304.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40366836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40366831) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8035 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (1815968).

Almost surely, 2^40366836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40366836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54479040).

40366836 is an abundant number, since it is smaller than the sum of its proper divisors (68591244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40366836 is a wasteful number, since it uses less digits than its factorization.

40366836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066 (or 4055 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 40366836 is about 6353.4900645236. The cubic root of 40366836 is about 343.0374774531.

The spelling of 40366836 in words is "forty million, three hundred sixty-six thousand, eight hundred thirty-six".